Question $4(2$ points$)$

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The eye$($n$)$ command creates a square matrix with $n$ rows and $n$ columns in which the diagonal elements are zero and the rest of the elements are equal to $1.$

True

False

Question $5(2$ points$)$

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Using a colon : in addressing arrays. The following command refers to the elements in all the columns between rows $m$ and $n$ of the matrix $A$ :